1 files changed, 59 insertions, 0 deletions
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..955f76e
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,59 @@
+# Development tasks. Everything runs through `R`, so there is nothing to
+# install first beyond the two runtime dependencies (curl, jsonlite) and
+# roxygen2 for `make document`.
+#
+#   make            list the targets
+#   make test       install into check/lib and run tests/
+#   make lint       parse every file + codetools, no files touched
+#   make build      build the source tarball
+R ?= R
+RSCRIPT ?= Rscript
+
+PKG := cepis
+VERSION := $(shell awk '/^Version:/ { print $$2 }' DESCRIPTION)
+TARBALL := $(PKG)_$(VERSION).tar.gz
+LIB := $(CURDIR)/check/lib
+
+.DEFAULT_GOAL := help
+.PHONY: help install test lint document build check check-cran clean
+
+help:
+	@echo 'Targets:'
+	@echo '  test       install into check/lib and run every tests/test-*.R'
+	@echo '  lint       parse the sources + codetools::checkUsagePackage (read-only)'
+	@echo '  document   regenerate man/ and NAMESPACE with roxygen2 (writes)'
+	@echo '  build      build $(TARBALL)'
+	@echo '  check      lint + test + build, in that order'
+	@echo '  check-cran build, then R CMD check the tarball'
+	@echo '  clean      remove build and check artefacts'
+
+install:
+	@mkdir -p $(LIB)
+	$(R) CMD INSTALL --library=$(LIB) .
+
+test: install
+	@cd tests && for file in test-*.R; do \
+		echo "==> $$file"; \
+		R_LIBS=$(LIB) $(RSCRIPT) "$$file" || exit 1; \
+	done
+
+# Read-only by design, so it is safe in CI and in a pre-commit hook.
+lint: install
+	@R_LIBS=$(LIB) $(RSCRIPT) -e 'for (f in list.files(c("R", "tests"), pattern = "[.]R$$", recursive = TRUE, full.names = TRUE)) invisible(parse(f)); cat("parsed\n")'
+	@R_LIBS=$(LIB) $(RSCRIPT) -e 'suppressMessages(library($(PKG))); codetools::checkUsagePackage("$(PKG)", suppressLocalUnused = TRUE); cat("checked\n")'
+
+document:
+	$(RSCRIPT) -e 'roxygen2::roxygenise(load_code = "source")'
+
+build:
+	$(R) CMD build .
+
+# The order matters: lint is the fastest to fail, build the slowest, so a
+# broken run reports the cheapest problem first.
+check: lint test build
+
+check-cran: build
+	$(R) CMD check --no-manual $(TARBALL)
+
+clean:
+	rm -rf check $(PKG).Rcheck *.tar.gz